| NATO Countries | 0 | - | 4.98 | 283,602 |
| EU Countries Quiz | 0 | - | 4.99 | 278,131 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,590 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,206 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,907,714 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,917 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,548 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,181 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,510 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,834 |
| Countries with NO Military | 0 | - | 4.97 | 63,467 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,124 |
| Landlocked Countries | 0 | - | 4.99 | 426,303 |
| All OPEC Countries Ever | 0 | - | 4.70 | 100,227 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,761 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,345 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,186 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,177 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,192 |
| Buddhist Countries | 0 | - | 4.96 | 145,144 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,035 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,745 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,835 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,210 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 60,098 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,942 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,465 |
| Himalayan Countries | 0 | - | 4.93 | 140,413 |
| Andean Countries | 0 | - | 4.94 | 85,560 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,709 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,155 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,276 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,513 |
| Danube Countries | 0 | - | 4.97 | 72,450 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,661 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,883 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,224 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,697 |
| European Landlocked Countries | 0 | - | 4.99 | 147,646 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,366 |
| Countries with the Most Species | 0 | - | 4.99 | 103,593 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,470 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,787 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,903 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,866 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,603 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,051 |
| Countries in the Alps | 0 | - | 4.87 | 118,831 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,739 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,955 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,992 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,067 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,006 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,295 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,454 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,900 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,452 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,215 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,904 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,767 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,590 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,832 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,923 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,935 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,644 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,938 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,721 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,876 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,247 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,542 |
| Largest Countries By Category | 0 | - | 4.97 | 158,921 |
| Countries by Countries | 0 | - | 4.96 | 63,684 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,131 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,770 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,790 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,907 |
| Island Countries | 0 | - | 4.99 | 712,702 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,174 |
| Northernmost Countries | 0 | - | 4.99 | 364,200 |
| Countries of South America | 0 | - | 5.00 | 933,200 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,131 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,485 |
| "Land" Countries | 0 | - | 4.98 | 338,494 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,482 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,190 |
| Countries that Start with C | 0 | - | 4.96 | 1,832,039 |
| Countries that Start with D | 0 | - | 4.96 | 716,816 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,554 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,013 |
| Countries that Start with H | 0 | - | 4.96 | 609,861 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,934 |
| Countries that Start with J | 0 | - | 4.98 | 607,228 |
| Countries that Start with K | 0 | - | 4.97 | 821,050 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,179 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,243 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,391 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,642 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,173 |
| Countries that Start with U | 0 | - | 4.97 | 908,695 |
| Countries that Start with V | 0 | - | 4.98 | 612,169 |
| Countries that Start with F | 0 | - | 4.83 | 621,516 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,639 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,708 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,481 |
| Orthodox Countries | 0 | - | 4.92 | 132,846 |
| Richest Island Countries | 0 | - | 4.85 | 101,257 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,845 |
| Monarchies of Europe | 0 | - | 4.90 | 98,914 |
| Monarchies of Asia | 0 | - | 4.97 | 71,527 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,178 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,308 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,237 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,223 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,520 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,804 |
| Largest Economies in 2050 | 0 | - | 4.88 | 111,956 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,054 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,023 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,120 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,774 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,134 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,273 |
| Countries with Megacities | 0 | - | 4.99 | 267,349 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,946 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,202 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,264 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,310 |
| Countries by Official Language | 0 | - | 4.95 | 196,076 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,729 |
| Countries in their Native Language | 0 | - | 4.99 | 199,802 |
| Independence from Whom | 0 | - | 4.99 | 213,172 |
| Subdivisions by Country | 0 | - | 4.87 | 50,635 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,526 |
| Megadiverse Countries | 0 | - | 4.96 | 138,234 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,000 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,552 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,734 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,234 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,326 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,875 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,160 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,583 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,100 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,268 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,611 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,403 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,457 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,165 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,871 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,097 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,317 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,741 |
| Communist Countries in History | 0 | - | 4.63 | 498,365 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,343 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,143 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,605 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,680 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,474 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,587 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,780 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,715 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,810 |
| Widest Countries East to West | 0 | - | 4.92 | 130,760 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,610 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,290 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,527 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,087 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,020 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,511 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,513 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,902 |
| Countries with Double Letters | 0 | - | 4.96 | 97,172 |
| Countries that End in N | 0 | - | 4.95 | 172,083 |
| Countries with Five Letters | 0 | - | 4.96 | 284,119 |
| Countries with Six Letters | 0 | - | 4.94 | 214,586 |
| Countries with W | 0 | - | 4.96 | 161,019 |
| Countries with Z | 0 | - | 4.98 | 292,558 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,358 |
| Countries That End in U | 0 | - | 4.95 | 121,228 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,176 |
| Countries that End in O | 0 | - | 4.92 | 160,252 |
| Countries that End in R | 0 | - | 4.87 | 119,207 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,974 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,931 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,207 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,867 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,791 |
| Countries That End in Y | 0 | - | 4.91 | 186,105 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,512 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,312 |
| Countries that End in I | 0 | - | 4.94 | 135,344 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,677 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,084 |
| Countries That End in NIA | 0 | - | 4.92 | 110,089 |
| Countries That End in BIA | 0 | - | 4.93 | 149,614 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,637 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,799 |
| Countries That End in RIA | 0 | - | 4.93 | 127,079 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,433 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,682 |
